<!DOCTYPE HTML>
<html>
  <head>
<!--    <meta http-equiv="refresh" content="3;URL=filter">-->
<!--    <script type="text/javascript" src="static/js/data.js"></script>-->
  </head>
  <body>
    <ul>
      <li><a href="filter">筛选</a></li>
      <li><a href="query">查询</a></li>
      <li><a href="train">训练</a></li>
      <li><a href="predict">预测</a></li>
    </ul>
  </body>
</html>
